Lewis can spend Tuesday evening attending a free college course or working a four-hour overtime shift. The overtime rate is £16 per hour. He cannot do both. Explain the opportunity cost to Lewis of attending the college course.
81 exam-style questions on AQA GCSE Economics 1.1 Economic foundations, covering 1.1.1a Needs and wants, 1.1.1b The central purpose of economic activity, 1.1.1c Key economic decisions, 1.1.1d The main economic groups, 1.1.2a The nature of an economic resource, 1.1.2b The four factors of production, 1.1.3a The basic economic problem and making choices, and 1.1.3b Opportunity cost. Each one has a worked solution and a mark scheme showing where the marks go.